TW531944B - Board mount type connector and board mounting structure of connector - Google Patents

Abstract

A board mount type connector and a board mounting structure of connector are disclosed, which can reinforce the mounting strength of connector board and reduce the occupied area on the board mounted with a keying structure. The connector (1B) has a pair of fixing portions (4) for mounting the connector on a board (P'). A mounting aperture is formed in each mounting portion (4), and a keying ridge (222) (keying means) is formed on only one side in alignment with the associated mounting aperture. The board (P') has a pair of openings (82, 84) corresponding to the mounting apertures (4) of the connector (1B), and a slot (88) for receiving the ridge (222) aligned with one of the openings (84) in the board. This slot (88) corresponds to the ridge (222) of the mounting portion (4) to form a narrow width. Hence, the mounting portion (4) serves as a securing means in conjunction with a bolt, as well as a keying means to prevent erroneous mounting, so as to reinforce the mounting strength of connector board and reduce the occupied area.

Description

531944 Description of the invention d) [Technical category to which the invention belongs] The present invention is about connecting substrates and connecting substrates, especially when it is connected with a connector; C substrate Anong structure-type connector and a circuit board The technology of the edge of the white knows] JP Kaiping this ^ substrate installation type connector, such as the connector shown in the Japanese pull-up ^ has been well known. Such a plurality of pairs of claws on the edge of the receiving circuit board σf receive the edges of the holding circuit board in the receiving space it A m Ι ^ α σσ W is fixed on the circuit board. In order to strengthen the fixing strength; §: The electric force suppresses the moon force. When the pressing rib is received by the substrate, the circuit substrate and the claw arm are strongly combined. Because of the bias, [Problems to be Solved by the Invention] Therefore, the connector and the circuit board are fixed by frictional hooking. Each technology is not fixed for a long time, so it is used for a long time. In addition, if the pressing mechanism is to be installed on the connector, the knife I is usually provided with a rib that engages with the unevenness of the circuit board. At this time, = mt adds additional space to the circuit board installation area. After Anong Space 3 is worn, the 1t 2n connector is found. If you find a wrong group and want to deform the connector & ribs, you cannot achieve the original strong connection. Crying Eyes 0 Mouthful 辁 发 Γ ΐ At the above points, provide a board-mounted connector that can increase the connector circuit board installation and the key mechanism takes up a small circuit board installation area and connector board installation structure. j soil

Page 4 531944 V. Description of the invention (2) In addition, the other purpose of the present invention is to enable the connector to be smoothly installed on the substrate and to enhance the reliability of the electrical connection. [Means for solving problems] The board-mounted connector of the present invention has an insulating case and a plurality of terminals provided in the insulating case. The insulating case has a pair of mounting portions, and the mounting portions are mounted on a pair of openings. The edge of the circuit substrate is characterized in that: each of the mounting portions is provided with a mounting hole for bolts to pass through to fix the insulating housing to the opening of the circuit substrate, and one side of the pair of mounting portions is in contact with the circuit. A key protrusion is formed on the contact surface of the substrate, and is engaged with a slit provided only on one side of the opening.

The mounting portion has a groove for receiving the circuit board, the mounting hole penetrates to define two opposite surfaces of the groove, and the button protrusion is connected to the mounting hole on the contact surface that becomes one of the opposite surfaces in the groove. The positions coincide with each other to form a protrusion shape extending in the direction in which the insulating case is mounted on the circuit board. The button protrusion is narrower than the mounting hole, and the length of the button protrusion is longer than the opening diameter of the circuit substrate.

The mounting structure of the connector substrate of the present invention is a substrate mounting type connector having an insulating case and a plurality of terminals provided on the insulating case, which is mounted on a circuit substrate, and is characterized in that the aforementioned insulating case is provided with a pair of mounting portions, on which A mounting hole through which a bolt is inserted is provided at a position corresponding to the mounting hole of the circuit board, and an opening is provided for the bolt to pass through the mounting hole. One side of the mounting portion is in contact with the contact surface of the circuit board. The key protrusion is provided with a hook corresponding to the key protrusion at a position corresponding to the key protrusion of the circuit board.

Page 5 531944 V. Description of the invention (3)-The narrow hole. The mounting portion has a groove for receiving the circuit board, the mounting hole penetrates to define two opposite surfaces of the groove, and the button protrusion is located on the contact surface that becomes one of the opposite surfaces in the groove, and is located at the position of the mounting hole. Anastomosis to form a protruding shape extending from the aforementioned insulating case and mounted on the aforementioned circuit board mounting_ direction. The button protrusion is narrower than the mounting hole, and the slot of the circuit board coincides with the opening position, corresponding to the button protrusion forming a narrow width β degree, and the length of the button protrusion is longer than the diameter of the opening. _ [Effect of the invention] In the board-mounting connector of the present invention, one pair of mounting β portions of the insulating housing is provided with mounting holes for bolt insertion to fix the insulating housing to the opening of the circuit board. On one side, the contact surface that is in contact with the circuit board of the mounting portion is formed with a key protrusion that hooks into a slot provided only on one side of the opening. The bolt is tightened, so the strength of the mounting on the substrate is increased. In addition, It is also a mounting part and a key protrusion, so it can reduce the area occupied by board mounting. The mounting portion has a groove for receiving the circuit board, and the mounting hole penetrates the two opposite surfaces that define the groove. The key protrusion is on the contact surface that becomes one of the opposite surfaces in the groove, coincides with the position of the mounting hole, and forms an insulation casing. When the protruding shape is mounted on the circuit board in the mounting direction, the mounting strength of φ can be strengthened by the groove-shaped mounting portion. Since the mounting hole is formed at the same position as the key projection, the occupied area can be reduced. In addition, the key protrusions extending from the protrusions in the housing mounting direction serve as guides when the connector is mounted on the circuit board, which can

Page 6 531944 V. Description of the invention (4) Make the connector smoothly installed on the substrate. The formation of the button protrusion is narrower than the mounting hole, and when the length is longer than the opening diameter of the circuit substrate, the guiding function when the connector is mounted on the circuit substrate is improved, and the reliability of the electrical connection is strengthened.

In the connector substrate mounting structure of the present invention, a pair of mounting portions are provided on the insulating housing, and a mounting hole for inserting a bolt is provided thereon. A position corresponding to the mounting hole of the circuit substrate is provided with an opening for inserting the mounting hole. The bolt is inserted and fixed, and a key protrusion is provided on a contact surface of one side of the mounting portion that is in contact with the circuit substrate. A position corresponding to the key protrusion of the circuit substrate is provided with a narrow hook for engaging with the key protrusion. The hole can increase the mounting strength to the connector substrate by tightening the bolts. In addition, since it has both the mounting portion and the key portion, the area occupied by the mounting substrate can be reduced. The mounting portion has a groove for receiving the circuit board, and the mounting hole penetrates the two opposite surfaces that define the groove. The key protrusion is on the contact surface that becomes one of the opposite surfaces in the groove, coincides with the position of the mounting hole, and forms an insulation casing. When the shape of the protruding strip mounted on the circuit board in the mounting direction, the mounting strength can be strengthened by the groove-shaped mounting portion, and the key protruding portion extending from the protruding strip in the housing mounting direction becomes a guide when the connector is mounted on the circuit substrate. Lead, the connector can be smoothly mounted on the substrate.

The formation of the button protrusion is narrower than the mounting hole, and the slot of the circuit substrate coincides with the opening position. The corresponding button protrusion forms a narrow width. When the length of the button protrusion is longer than the opening diameter of the circuit substrate, the connector can be mounted on the circuit substrate. The guiding function can be improved to strengthen the reliability of electrical connection. [Implementation Mode of Invention]

Page 7 531944 V. Description of the invention (5) Hereinafter, the board-mounted connector (hereinafter referred to as the connector) and the board mounting structure of the present invention will be described in detail with reference to the drawings. Figure 1 is a front view of the connector of the first embodiment of the present invention, Figure 2 is a plan view of the connector of Figure 1, Figure 3 is a left side view of the connector of Figure 1, and Figure 4 is a rear view of the connector of Figure 1 Fig. 5 is a bottom view of the connector of Fig. 1, and Fig. 6 is a cross-sectional view of a part cut along line 6-6 of Fig. 4. The connector 1 of the first embodiment is described below with reference to FIGS. 1 to 6. The connector 1 has an insulating case (hereinafter referred to as a case) 6 integrally formed of an insulating resin, and is provided with a plurality of terminals 10. The housing 6 has a block-shaped mounting portion support, which is located on both sides of the slightly rectangular flat body 2 and the rear side of the body 2. The front end of the connector 1 is on both sides of the mating portion, and a button protrusion d having a tapered front end is formed. The button protrusions 8 and 8 are used as guides when mating with a mating connector (not shown). . Tips 10 a and 10 b (FIG. 4) of the terminal 10 protrude from the back of the body 2 of the case 6 and are connected to a circuit substrate (hereinafter referred to as a substrate) P (FIG. 7). As shown in Fig. 4, the tips 10a, 10b are divided into upper and lower rows, and the substrate P is received between the rows. In addition, the bent portions 11 of the tips 10 a and 10 b that are in contact with the substrate P protrude from the side of the substrate P (FIG. 3). The mounting portion 4 is composed of a set of mounting portions 4 a and 4 b. This mounting portion 4 is formed to receive the substrate P as shown in FIG. 3-there is a groove open at the rear, that is, a substrate receiving groove 1: 2. This groove 12 is located between the tips 10 a and 10 b extending from the rear of the main body 2, and the substrate P is placed therein (FIG. 4). The grooves 12 are opened behind the mounting portion 4 and the sides 14 and 4 are formed with tapered surfaces 1 4 a and 1 4 b so that the substrate P can be easily received. When the opposite side of the groove 12 is inserted into the substrate P, it can be in contact with the surface of the substrate P, which becomes a protection

531944 V. Description of the invention (6) The contact surfaces 16 and 18 holding the substrate P. Each mounting portion 4 is provided with a mounting hole 20 penetrating two opposing contact surfaces (opposite surfaces) 16, 18. That is, the mounting hole 20 penetrates the upper portion 24 and the lower portion 26 of the mounting portion 4 located above and below the groove 12. The mounting hole 20 is formed by a circular mounting hole 20a on the upper side and an elongated mounting hole 2 Ob penetrating through the lower portion 26 and having a semicircular inner edge similar to the circular shape of the mounting hole 20a (Fig. 5). Since the mounting hole 2 Ob is integrally formed, the slender shape of the mounting hole 2 0 b becomes a part of the resin metal mold for manufacturing. In addition, the mounting holes of each implementation type are collectively referred to as mounting holes 20. On the contact surface 18 of the mounting portion 4 b, from the mounting hole 20 along the rear 14 and the plugging direction A of the connector 1 (Figures 3 and 5), an integral protruding protrusion 2 2 (button protrusion unit). This protrusion 22 is not formed on the mounting portion 4a, but is formed only on the mounting portion 4b. The protruding strip 22 has a width that is almost the same as the diameter of the mounting hole 20, and the front end 22a has an arc shape for easy hooking of the substrate P (Fig. 5). The shape of the protrusion 22 and the shape of the elongated mounting hole 20b and its positional relationship are clearly shown in FIG. As shown in FIG. 4, a recess 28 is formed in the upper part 2 4 of the mounting part 4 from the rear part 1 in the insertion direction A. The nut 30 is pressed into the recess 28 (Figures 2 and 4). The nut 30 is inserted into the screw from the bottom of the connector 1 (not shown). The shape of the nut 30 is shown in Fig. 2. The plane shape is slightly octagonal. The two sides along the insertion direction A are along the insertion direction A, and they extend in opposite directions. When the nut 30 is in the set position, the center of the screw hole 30a of the nut 30 is the same as the center of the mounting hole 20a. Next, the substrate P on which the connector 1 is mounted will be described with reference to FIG. 7. Figure seven is based

Page 9 531944 V. Description of the invention (7) A schematic diagram of a part of the board P and the connector 1 mounted on the substrate P of the first embodiment. The connector 1 is indicated by a dotted line in the figure. Around the edge 80 of the substrate P, openings 8 2 and 8 5 are formed at positions corresponding to the mounting holes 20 of the connector 1. The opening 8 2 is circular, and the opening 8 5 extends in a direction orthogonal to the edge and opens at the edge 80 and has a width equal to the diameter of the opening 82. The connector 1 is mounted on the substrate P, the protrusion 22 is aligned with the opening, that is, the slot 85, the edge 80 is inserted into the groove 12, and the connector 1 is mounted on the substrate P. At this time, the protrusion 22 is guided into the slit 85 by the inner edge of the slit 85. When the connector 1 reaches a predetermined position on the substrate P, the mounting hole 20 is aligned with the opening 82 and the slit hole 85, and the bolts are inserted into the connector 1 from below in Figs. 3 and 4 and fixed. If the connector 1 is reversely installed by mistake, the protrusion 22 cannot be inserted into the slot 8 5 and is formed on the opening 8 2 side, so the protrusion 22 and the edge 80 of the substrate P interfere with each other, and the substrate p cannot be inserted. Trench 1 2 in. According to this, you can know that the installation direction is wrong. Between the openings 8 2 and the slits 8 5 along the edge 80 of the substrate P, a plurality of conductor plates 86 are formed on both sides of the substrate P, and are used to connect the tips 10 a, 10 b of the terminals 10 of the connector 1. At this time, the bent portions 11 of the tips 10 a and 10 b are connected to the conductor plate 86. Next, Fig. 8 and Fig. 9 show the connector of the second embodiment. FIG. 8 is a side view of the connector 1 A of the second embodiment, which is the same as FIG. 3, and FIG. 9 is a partial cross-sectional view showing the planar shape of the protruding strip, which is the same as FIG. In addition, in the description, parts having the same shape as those of the first embodiment will be described with the same numbers. The connector 1 A has a protrusion longer than the connector 1. The mounting holes 20c of the lower 1 2 6 are formed in a circular shape similar to the mounting holes 20a. The part from the mounting hole 20c to the rear 14 is the protrusion 22a having the same shape as the protrusion 22, and the groove 1 2

531944

V. Description of the invention (8) The inside of the (8) is also integrally formed with protrusions 2-2 of the same width. On the whole, the inner wall 3 4 from the rear 14 to the groove 12 is formed with a long protrusion (key protrusion) 丨twenty two. When the dog strip 1 2 2 enters the narrow hole 85, the length of the protrusion guided by the narrow hole 85 in the entering direction becomes longer, and the guiding property is enhanced. In addition, since the mounting hole 20 is a round belt with a large U, the position of the housing 6 can be determined more reliably. Therefore, the soldering oil on the substrate p ^ 86 is not disturbed by the tip. beans

Next, the connection cry of the third embodiment will be described with reference to FIGS. 10 to 12. The third embodiment of the connector 丨 B is formed to be narrower than the mounting hole 2j0l. Figure $ is the bottom view of the same connector 丨 3 as Figure 5, Figure 11 is the same side view as Figure 3: Side view, and Figure 12 is a partial cross-sectional view of the same flat shape of the projection as Figure 6. The protrusions (button protrusions) 2 2 2 extending in the mounting hole 20c of the connector 1B before and after inserting and removing the direction a make the protrusions 1 2 2 narrow. The ridge 2 2 2 is composed of a rear side 222a extending behind the rear 14 and a front side 222b extending along the inner wall 34 side. The protrusion 222 is formed to coincide with the position of the mounting hole 20c, and a portion ′ of the mounting hole 20c is separated in the front-rear direction, that is, the insertion and removal direction of the connector 1.

The connector 'will be described with reference to Fig. 13 for the positional relationship of the connector 1 β mounted on the substrate. Fig. 13 shows a schematic view of a portion of the connector 1B mounted on the substrate P, which is the same as that of Fig. 7. The substrate P 'is provided with an opening 8 2 and an opening 8 4 corresponding to the mounting / hole 20. On the side of the opening 8 4, a slit 8 8 is formed to coincide with the position of the opening 8 4. This narrow hole 88 corresponds to the narrow width of the protrusion 2 2 2. When the connector 1B is mounted on the substrate P ', the protrusions 2 22 are guided into the slits 8 8 ° as described above. At this time, the length of 2 2 2 a behind the slit 2 2 2 is longer than the diameter of the opening 8 4, so that when the protrusion 2 2 2 is inserted into the slit 88, the rear 2 2 2 a is prevented; ^ in the opening 84 Misplaced. Therefore, ‘connector 1 B can be smoothly installed and correctly determined.

Page 11 531944 V. Description of Invention (9) Location.

Next, with reference to Fig. 14, the connector 1C of the fourth embodiment, which is another embodiment of the narrow-width protrusion, will be described. Fig. 14 is the same as Fig. 6 and shows a schematic view of a portion where the connector 1 C is mounted on the substrate P '. The connector 1 C of this embodiment is a combination of a part of the mounting hole 2 Ob of the first embodiment and the narrow-width protrusion 2 2 2 of the third embodiment. That is, a combination of an elongated mounting hole 20b extending from the inner wall 34 shown in FIG. 5 and a protruding line 2 2 2 front end 2 2 2 a extending from the end edge of the mounting hole 20b to the rear 14 shown in FIG. This connector 1 C is also mounted on the aforementioned substrate P ', and its front end 2 2 2 a is the same as the diameter of the opening of the substrate P', so it can obtain the same guidance and correct position determination. In the fourth implementation type, the mounting hole 20b is deep and long, and a narrow width protrusion is not formed behind it, so the structure of the formed module is relatively simple. [Comparison of main component symbols] 1, 1 A, 1 B, 1 C--Board-mounted connector 4-Mounting section 6 --- Insulated housing 10 12 1 6, 1 8 20, 20a, 20b, 20c —— 22 > 122, 111 80 82, 84 85 '88 Terminal board receiving groove (groove) Contact surface (opposite surface) Mounting element L projection (button projection) Edge opening slit

Page 12

531944 Circuit board V. Description of the invention (ίο) P, P,

Bi Page 13 531944 Brief Description of Drawings Figure 1 is a front view of a board-mounted connector of the first embodiment of the present invention. FIG. 2 is a plan view of the board-mounted connector of FIG. 1. FIG. FIG. 3 is a left side view of the board-mounted connector of FIG. 1. FIG. 4 is a rear view of the board-mounted connector of FIG. FIG. 5 is a bottom view of the board-mounted connector of FIG. 1. Fig. 6 is a partial cross-sectional view of the mounting portion cut along the line 6-6 in Fig. 4. Fig. 7 is a schematic diagram showing a part of a substrate and a substrate-mounted connector portion of the first embodiment mounted on the substrate. Fig. 8 is a side view showing the same substrate mounting type connector of the second embodiment of the present invention as Fig. 3. Fig. 9 is a sectional view showing a part of the planar shape of the protrusion of Fig. 8 which is the same as that of Fig. 6. FIG. 10 is a bottom view showing the same substrate mounting connector of the third embodiment of the present invention as in FIG. 5. FIG. Fig. 11 is a side view of the third embodiment of the board-mounted connector, which is the same as Fig. 3. Fig. 12 is a cross-sectional view showing a part of the planar shape of the substrate-mounting connector protrusion of Fig. 10 that is the same as that of Fig. 6. Fig. 13 is a schematic view showing the same parts as those in Fig. 7 showing a part of the substrate and the substrate-mounted connector mounted on the substrate according to the third embodiment. Fig. 14 is a schematic view showing a part of the board-mounted connector of the fourth embodiment of the present invention, which is the same as that of Fig. 6;

Page 14

Claims (1)

531944 6. Scope of patent application 1. A plurality of terminals of a substrate are mounted on the contact side of the solid side of the housing with each mounting edge. 2. Such as the front channel groove plate 3 · as before 4. The front plate is in place Antu presses and kisses only the application. The installation is described in the application. According to the electric type, it will be installed. It is inserted into the upper part. The key is opposite to the patented part. A typed characteristic bolt is provided with a corresponding hook-type connector, which has an insulating case and an insulating case provided in the insulating case. The insulating case has a pair of mounting portions, and the mounting portion has a pair of open circuit board edges. It is characterized in that the front part is provided with a mounting hole for bolts to pass through the opening of the circuit board, and the pair of mounting parts is formed with a key protrusion on the contact surface of the circuit board. The slits on the side are hooked. The board-mounted connector contained in the first item of the scope has two grooves for receiving the circuit board, two opposite faces of the mounting hole, and the button protrusion on the contact surface that becomes the one opposite face. Formed with the mounting hole is a protrusion shape extending from the insulation case and mounted on the circuit base. The board-mounted connector included in the second item of the scope has a narrower middle part than the aforementioned mounting hole, and the length of the key protrusion is longer than the opening diameter of the board. An insulating case and a connector base provided with a plurality of terminals provided in the insulating case are mounted on a circuit board. The mounting structure of the connector board is as follows: the aforementioned insulating case is provided with a pair of mounting portions, and mounting holes provided thereon correspond to the aforementioned circuit There is an opening in the mounting hole of the substrate for the bolt to pass through the mounting hole, a button on the contact surface of the side contacting the circuit substrate is provided with a slot at the position of the button protrusion of the circuit substrate. Page 15 531944 VI. Application for patent scope 5. The mounting structure of the connector substrate as described in item 4 of the scope of patent application, wherein the mounting portion has a groove for receiving the circuit board, and the mounting hole penetrates and defines two opposite sides of the groove. Surface, the button protrusion on the contact surface that becomes one of the opposite sides in the groove coincides with the position of the mounting hole to form a protrusion shape extending from the insulating housing to the mounting direction of the circuit substrate. 6. The connector substrate mounting structure as described in item 5 of the scope of patent application, which The aforementioned button protrusion is narrower than the mounting hole, and the slit of the circuit substrate coincides with the opening position, corresponding to the formation of the button protrusion with a narrow width, and the length of the button protrusion is longer than the diameter of the opening. Page 16